Abstract
Saline crops and autoclaved municipal organic solid wastes were evaluated for their potential to be used as feedstock for fermentable sugar production through dilute acid pretreatment and enzymatic hydrolysis. The saline crops included two woods, athel (Tamarix aphylla L) and eucalyptus (Eucalyptus camaldulensis), and two grasses, Jose tall wheatgrass (Agropyron elongatum), and creeping wild rye (Leymus triticoides). Each of the biomass materials was first treated with dilute sulfuric acid under selected conditions (acid concentration=1.4% (w/w), temperature=165°C, and time=8 min) and then treated with the enzymes (cellulases and β-glucosidase). The chemical composition (cellulose, hemicellulose, and lignin contents) of each biomass material and the yield of total and different types of sugars after the acid and enzyme treatment were determined. The results showed that among the saline crops evaluated, the two grasses (creeping wild rye and Jose tall wheatgrass) had the highest glucose yield (87% of total cellulose hydrolyzed) and fastest reaction rate during the enzyme treatment. The autoclaved municipal organic solid wastes showed reasonable glucose yield (64%). Of the two wood species evaluated, Athel has higher glucose yield (60% conversion of cellulose) than eucalyptus (38% conversion of cellulose).
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Zheng, Y. et al. (2007). Evaluation of Different Biomass Materials as Feedstock for Fermentable Sugar Production. In: Mielenz, J.R., Klasson, K.T., Adney, W.S., McMillan, J.D. (eds) Applied Biochemistry and Biotecnology. ABAB Symposium. Humana Press. https://doi.org/10.1007/978-1-60327-181-3_36
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DOI: https://doi.org/10.1007/978-1-60327-181-3_36
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